Why does Indrani Debi dislike Duttada’s ‘hobnobbing’ with Dibya?

‘Dibya’ was a telescope and its name was given by Indrani Debi. Dattada was always excited about the stars and it was the telescope that he cherished to have throughout his life. He never cared and paid attention for his wife, Indrani Debi or about himself. That is why his wife disliked “Dibya” as her rival.